432 Storer’s Synopsis of the Fishes of North America. 
GENUS XI. HYDRARGYRA, Lesvevr. 
Head flat, shielded above with large scales, the centre scale largest. Teeth 
in the jaws and throat; those of the jaws conic and recurved ; none in the 
palate ; jaws protractile ; lower jaw the longer. Scales on the opercula and 
body. Branchial rays, four to five. Ventral fins six-rayed. The dorsal fin 
situated nearer to the tail than the head, opposite to the anal. 
1. Hydrargyra fasciata, Scan. 
Back and sides greenish or olive. ‘The sides are crossed by from ten to twenty vertical 
white lines or spots. Within these are numerous silvery-white and steel-blue dots, which 
extend over the dorsal and anal fins. In the spawning season, the abdomen is of a brilliant 
golden yellow; but during the rest of the year it is white. 
D.12. P.15. V.6. A.11. C.27. Mrrcurux. Length, 4 inches. 
D105 elven Vibe cae 10, CalOk Diwan. 
Connecticut, Avres. New York, Mircuini, Dexay. Carolina, Dexay. 
Esox pisciculus, Yellow-bellied Killifish, Mircrir, Trans. Lit. and Phil. Soc. of N. Y., 1. p. 441. 
Fundulus fasciatus, Vat., Humeoupr et BonpLanp, u. p. 162, pl. 62, figs. 1, 4, 5. 
Fundulus zebra, Barred Killifish, Dexay’s Report, p. 215. 
Hydrargyra fasciata (ScHN.), AyRES, Bost. Journ. Nat. Hist., 1v. p. 266, 
2. Hydrargyra pisculenta, Mircuitu. 
Olive-green above; lighter on the sides, and becoming whitish, tinged with yellowish on 
the abdomen. Opercles, pectorals, and ventrals light greenish-yellow. Caudal nearly even, 
round. In large specimens, the color of the sides is uniform ; in very small specimens are 
black vertical bands, constituting the Esox zonatus of Mitchill. 
D: 13. Pits. V.i65 AW C227. Marexnrmx- 
D.11. P.17. V.6. A.11. C.25. Dexay. Length, 1 to 4 inches. 
Connecticut, Ayres. New York, Mircuiiu, Decay. 
Esox pisculentus, White-bellied Killifish, Mrremmn, Trans. Lit. and Phil. Soc. of N. Y., 1. p. 441. 
Esox zonatus, Banded Killifish, Mrrcnitz, Trans. Lit. and Phil. Soc. of N. Y., 1. p. 443. 
Fundulus viridescens, Big Killifish, Dexay’s Report, p. 217, pl.-31, fig. 99. 
Hydrargyra pisculenta, Ayres, Bost. Journ. Nat. Hist., tv. p. 267. 
3. Hydrargyra flavula, Mireniwt. 
Female. Yellowish green above, lighter upon the sides, white beneath ; opercles, and upper 
portion of abdomen, golden. Several interrupted longitudinal black bands, varying from one 
to four, upon the sides. From two to four transverse bands of a similar color, at the base of 
the caudal fin. Dorsal rather longer than high. 
Male. Back and sides greenish black ; sides crossed by numerous slate-colored, nearly 
